2 Mill Plat Avenue, Isleworth, TW7 6RD

1. 28 Sep 2026

   Received by Hounslow

2. 30 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 23 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hounslow took a median of 56 days over the applications it decided in the last year.

This application is with Hounslow for determination, against a statutory target of eight weeks. Over the last year Hounslow decided lawful development applications in a median of 56 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 193 LINKFIELD ROAD, ISLEWORTH, TW7 6QY

  P/2023/1105 Submitted 6 Apr 2023 50 yards away

  Certificate of Lawfulness for erection of a rear roof extension with front roof windows

  Granted Lawful development Extension Windows or glazing 7 docs

• 109 St Johns Road, Isleworth, TW7 6PN

  P/2025/3477 Submitted 18 Nov 2025 100 yards away

  Variation of Condition 14 (Residential parking permits) to be re-worded to residents of the development shall be eligible to apply for up to one residents' parking permit per dwelling within Controlled Parking Zone LR of planning permission 00981/N/P13 (P/2021/3635) approved 19/04/2022 for the demolition of existing buildings and erection of three storey commercial building with basement car parking and six town houses with associated access arrangements, landscaping, refuse and cycle storage.

  Granted Conditions Demolition 6 docs
  Domestic

• 93A St Johns Road, Isleworth, TW7 6PN

  P/2026/2392 Submitted 18 Aug 2026 100 yards away

  89% historically approved · decision due ~13 Oct

  Details of Conditions 17 (Cycle Parking), 18 (Waste and Recycling), 19 (Vehicular crossover) submitted pursuant to planning permission P/2022/3511 dated 22/12/2022 Erection of a two storey house with basement and light wells adjoining 93 and the erection of a single storey rear infill extension and front extension to 93.

  Awaiting decision Conditions Extension 5 docs
  Small domestic

• 93A St Johns Road, Isleworth, TW7 6PN

  P/2026/2117 Submitted 20 Jul 2026 100 yards away

  89% historically approved · decision due ~14 Sep

  Details of conditions 13 (energy strategy), and 16 (internal water use) of planning permission 00981/93/P5 (P/2022/3511) approved 22/12/2022 for the erection of a two storey house with basement and light wells adjoining 93 and the erection of a single storey rear infill extension and front extension to 93.

  Awaiting decision Conditions Extension 9 docs
  Small domestic

• 93 ST JOHNS ROAD, ISLEWORTH, TW7 6PN

  P/2021/2951 Submitted 19 Jul 2021 100 yards away

  Erection of a two-storey building comprising of a three-bedroom house with associated car parking, cycle space and minor alterations to existing property.

  Granted Full applications 13 docs

• 109 St Johns Road, Isleworth, TW7 6PN

  P/2025/3281 Submitted 29 Oct 2025 100 yards away

  Details of Condition 9 (Drainage) submitted pursuant of planning permission 00981/N/P13 (P/2021/3635) dated 19/04/2022 for the Demolition of existing buildings and erection of three storey commercial building with basement car parking and six town houses with associated access arrangements, landscaping, refuse and cycle storage

  Granted Conditions Demolition 10 docs

• P/2026/2813 Awaiting decision

  150 Wood Lane, Isleworth, TW7 5EQ

  (GSGS877009741) Certificate of lawfulness proposed for the erection of a single storey outbuilding to be used as a home gym / playroom / shed in the rear garden of the house

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2334 Granted

  69 Central Avenue, Hounslow, TW3 2QW

  Certificate of lawfulness for the proposed hip to gable conversion and erection of rear roof extension with three front roof windows to the house.

  Received 12 Aug, published by the council 16 Aug 2026 Lawful development
• P/2026/2459 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Certificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.

  Received 28 Aug, published by the council 5 Sep 2026 Lawful development
• P/2026/2787 Awaiting decision

  13 Denbigh Road, Hounslow, TW3 4DU

  Certificate of Lawfulness for the proposed erection of a detached outbuilding in the rear garden.

  Received 1 Oct, published by the council 9 Oct 2026 Lawful development
• P/2026/2790 Awaiting decision

  14 Old Farm Close, Hounslow, TW4 7AB

  Certificate of lawfulness for the proposed erection of a rear roof extension and two front roof windows to the house.

  Received 1 Oct, published by the council 6 Oct 2026 Lawful development